A rock at the ALMA site

Detail of one of the reddish conglomerate-type rocks observed around the ALMA site. Around and above the ALMA Operations Support Facility (OSF), located on the road to Chajnantor, at 2900 m altitude, many grooves and gullies produced by the water flow, which was probably more abundant in the past, can be observed. The grey-reddish colour characterises the volcanic terrain, formed by pyroclastic sediments. ALMA, the Atacama Large Millimeter/submillimeter Array, is the largest astronomical project in existence.

Credit:

ALMA (ESO/NAOJ/NRAO)

About the Image

Id:alma-hh-22
Type:Photographic
Release date:14 June 2010, 17:55
Size:1920 x 2552 px

About the Object

Name:Atacama Desert, Chajnantor
Type:• Solar System : Planet : Feature : Surface
• Unspecified : Technology : Observatory
• X - ALMA

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